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IB/umad: Return EIO in case of when device disassociated
MAD message received by the user has EINVAL error in all flows
including when the device is disassociated. That makes it impossible
for the applications to treat such flow differently.
Change it to return EIO, so the applications will be able to perform
disassociation recovery.
Fixes: 1da177e4c3
("Linux-2.6.12-rc2")
Link: https://lore.kernel.org/r/20210125121339.837518-2-leon@kernel.org
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
parent
2614488d1f
commit
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1 changed files with 6 additions and 1 deletions
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@ -379,6 +379,11 @@ static ssize_t ib_umad_read(struct file *filp, char __user *buf,
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mutex_lock(&file->mutex);
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mutex_lock(&file->mutex);
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if (file->agents_dead) {
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mutex_unlock(&file->mutex);
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return -EIO;
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}
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while (list_empty(&file->recv_list)) {
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while (list_empty(&file->recv_list)) {
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mutex_unlock(&file->mutex);
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mutex_unlock(&file->mutex);
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@ -524,7 +529,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
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agent = __get_agent(file, packet->mad.hdr.id);
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agent = __get_agent(file, packet->mad.hdr.id);
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if (!agent) {
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if (!agent) {
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ret = -EINVAL;
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ret = -EIO;
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goto err_up;
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goto err_up;
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}
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}
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